“Not he is great who can alter matter, but he who can alter my state of mind.”

“I can tell by my own reaction to it that this book is harmful." But let him only wait and perhaps one day he will admit to himself that this same book has done him a great service by bringing out the hidden sickness of his heart and making it visible.— Altered opinions do not alter a man’s character (or do so very little); but they do illuminate individual aspects of the constellation of his personality which with a different constellation of opinions had hitherto remained dark and unrecognizable.”

“He who has a why to live for can bear almost any how.”

“Altered opinions do not alter a man’s character (or do so very little); but they do illuminate individual aspects of the constellation of his personality which with a different constellation of opinions had hitherto remained dark and unrecognizable.”

“He who is punished is never he who performed the deed. He is always the scapegoat.”

“A. Was I ill? Have I got well? Who was my doctor? Can you tell? Oh, my memory is rotten!B. Only now you're truly well. Those are well who have forgotten.”

“I am a forest, and a night of dark trees: but he who is not afraid of my darkness, will find banks full of roses under my cypresses.”